Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         Superfamily Cyamioidea Sars, 1878
           Family Cyamiidae Sars, 1878
             1 Genus Cyamium Philippi, 1845
             2 Genus Cyamiomactra Bernard, 1897
             3 Genus Kidderia Dall, 1876
             4 Genus Legrandina Tate & May, 1901
             5 Genus Lutetina Vélain, 1877
             6 Genus Ptychocardia Thiele, 1912
             7 Genus Kingiella Soot-Ryen, 1957, nom. illeg. see Genus Reloncavia Soot-Ryen, 1969